64 



The Patio and Oazo Process. 



Insalmoro, 



J i earn, 



Jales, 

 Lagans, 

 Lama, 

 Lameros, 



Lava, 

 Lavadero, 

 Limadura de plata, 



Lista, 

 Magistral, 



Manga, 

 Marc, 



Marina jas, 



Metal caliehoso, 

 Metal de beneficio, 

 Metal de exportacion, 

 Metal heclio, 

 Metal de prim era 



clase, 

 Metal gabarro, 



Metal granza, 

 Metal de labores, 

 Metal de llunque, 

 Monton, 



Molino, 



Morteros, 



Negros, 



Oroche, 



Pasilla, 



Patio, 



in which the assay 

 and the amalgam 



Salting the torta. 



A small vessel or bow 

 sample is washed 

 tested. 



Tailings. 



A small lake. 



Slimes. 



Slime pits ; walled receivers for the ground 

 slimes. (See cajetes.) 



Washing the torta. 



The ordinary settler; washing apparatus. 



Dry silver amalgam. 



Tail of impure mercury. 



Boasted copper pyrites, sulphate of cop- 

 per, etc., used to reduce silver ores in 

 the torta. 



Canvas bag to drain amalgam. 



Mexican weight for weighing silver and 

 gold, eight ounces. 



Concentrated sulphides. 



Feldspathic ore. 



Second class ore worked on the patio. 



First class ore ready for sale. 



Hand-picked rich ore. 



First class ore ready for sale. 



First and second class ore, from the size 

 of an egg to that of an orange. 



Fine ore, smalls. 



Smalls from the workings of the mine. 



Smalls from the cleaners. 



Mexican weight varying from .75 to 1.62 

 tons. 



Stamp-mill for ore. 



Stamping-mills. 



Black ores of silver. 



Bullion after retorting. 



Dry silver amalgam. 



Amalgamation court. 



